diff --git a/core/i18n/src/main/res/values-ja/strings.xml b/core/i18n/src/main/res/values-ja/strings.xml
index c954485b..dd4d8950 100644
--- a/core/i18n/src/main/res/values-ja/strings.xml
+++ b/core/i18n/src/main/res/values-ja/strings.xml
@@ -255,4 +255,30 @@
     <string name="new_color_scheme_name">新しい配色</string>
     <string name="preference_screen_about">このアプリについて</string>
     <string name="preference_version">バージョン</string>
+    <string name="weather_condition_heavysleetshowersandthunder">激しいみぞれと雷</string>
+    <string name="weather_condition_lightsnowshowers">にわか雪</string>
+    <string name="weather_condition_heavysnow">豪雪</string>
+    <string name="weather_condition_snowandthunder">雪と雷</string>
+    <string name="weather_condition_rainshowersandthunder">にわか雨と雷</string>
+    <string name="weather_condition_lightssnowshowersandthunder">小雪と雷</string>
+    <string name="weather_condition_sleetandthunder">みぞれと雷</string>
+    <string name="weather_condition_heavyrainshowersandthunder">激しいにわか雨と雷</string>
+    <string name="weather_condition_lightsleet">弱いみぞれ</string>
+    <string name="weather_condition_sleetshowersandthunder">みぞれと雷</string>
+    <string name="weather_condition_partlycloudy">所により曇り</string>
+    <string name="weather_condition_heavysnowandthunder">大雪と雷</string>
+    <string name="weather_condition_rainshowers">にわか雨</string>
+    <string name="weather_condition_lightsleetshowers">軽いみぞれ</string>
+    <string name="weather_condition_lightssleetshowersandthunder">みぞれと雷</string>
+    <string name="weather_condition_heavysleetshowers">激しいみぞれ</string>
+    <string name="weather_condition_lightrainandthunder">小雨と雷</string>
+    <string name="weather_condition_thunderstorm">雷雨</string>
+    <string name="weather_condition_heavysnowshowers">激しいにわか雪</string>
+    <string name="weather_condition_heavyrainshowers">激しいにわか雨</string>
+    <string name="weather_condition_fair">晴れ</string>
+    <string name="weather_condition_heavysleetandthunder">激しいみぞれと雷</string>
+    <string name="weather_condition_lightsleetandthunder">弱いみぞれと雷</string>
+    <string name="menu_website">WEBサイトを開く</string>
+    <string name="menu_map">地図で見る</string>
+    <string name="action_clear">削除</string>
 </resources>
\ No newline at end of file